v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000004015 | Taiwan Semiconductor Manufacturing  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
C000004015 | Samsung Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000004015 | SK hynix  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000004015 | Tencent Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000004015 | Alibaba Group Holding  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000004015 | Unimicron Technology  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000004015 | Delta Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000004015 | Hon Hai Precision Industry  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000004015 | ICICI Bank  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000004015 | Contemporary Amperex Technology  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000004015 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 40.30%
C000004015 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000004015 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000004015 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000004015 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000004015 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000004015 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000004015 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000004015 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000004015 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000159129 | Taiwan Semiconductor Manufacturing  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
C000159129 | Samsung Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000159129 | SK hynix  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000159129 | Tencent Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000159129 | Alibaba Group Holding  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000159129 | Unimicron Technology  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000159129 | Delta Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000159129 | Hon Hai Precision Industry  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000159129 | ICICI Bank  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000159129 | Contemporary Amperex Technology  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000159129 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 40.30%
C000159129 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000159129 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000159129 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000159129 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000159129 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000159129 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000159129 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000159129 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000159129 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000219337 | Taiwan Semiconductor Manufacturing  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
C000219337 | Samsung Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000219337 | SK hynix  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000219337 | Tencent Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000219337 | Alibaba Group Holding  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000219337 | Unimicron Technology  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000219337 | Delta Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219337 | Hon Hai Precision Industry  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000219337 | ICICI Bank  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000219337 | Contemporary Amperex Technology  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000219337 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 40.30%
C000219337 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000219337 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000219337 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000219337 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000219337 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000219337 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000219337 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219337 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000219337 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%